ALEXANDRIA, Va., June 16 -- United States Patent no. D1,076,302, issued on May 20, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Cleaning wand" was invented by Matthew D. Chaffee (Minneapolis), Mario A. Davenport (St. Paul, Minn.), Mark W. Baldwin (Woodbury, Minn.) and Aaron White (Menomonie, Wis.).
The patent was filed on May 31, 2023, under Application No. D/893,518.
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